diff --git a/passbook/admin/api/v1/groups.py b/passbook/admin/api/v1/groups.py
new file mode 100644
index 000000000..d1a115154
--- /dev/null
+++ b/passbook/admin/api/v1/groups.py
@@ -0,0 +1,36 @@
+"""passbook admin gorup API"""
+from rest_framework.permissions import IsAdminUser
+from rest_framework.serializers import ModelSerializer, Serializer
+from rest_framework.viewsets import ModelViewSet
+
+from passbook.core.models import Group
+
+
+class RecursiveField(Serializer):
+    """Recursive field for manytomanyfield"""
+
+    def to_representation(self, value):
+        serializer = self.parent.parent.__class__(value, context=self.context)
+        return serializer.data
+
+    def create(self):
+        raise NotImplementedError()
+
+    def update(self):
+        raise NotImplementedError()
+
+class GroupSerializer(ModelSerializer):
+    """Group Serializer"""
+
+    children = RecursiveField(many=True)
+
+    class Meta:
+        model = Group
+        fields = '__all__'
+
+class GroupViewSet(ModelViewSet):
+    """Group Viewset"""
+
+    permission_classes = [IsAdminUser]
+    serializer_class = GroupSerializer
+    queryset = Group.objects.filter(parent__isnull=True)
diff --git a/passbook/admin/api/v1/routers.py b/passbook/admin/api/v1/routers.py
deleted file mode 100644
index 328c9cb2a..000000000
--- a/passbook/admin/api/v1/routers.py
+++ /dev/null
@@ -1,8 +0,0 @@
-# from django.conf.urls import url, include
-
-# # Add this!
-# from passbook.admin.api.v1.source import SourceResource
-
-# urlpatterns = [
-#     url(r'source/', include(SourceResource.urls())),
-# ]
diff --git a/passbook/admin/api/v1/source.py b/passbook/admin/api/v1/source.py
deleted file mode 100644
index cd34721a2..000000000
--- a/passbook/admin/api/v1/source.py
+++ /dev/null
@@ -1,26 +0,0 @@
-# from rest_framework.serializers import HyperlinkedModelSerializer
-# from passbook.admin.api.v1.utils import LookupSerializer
-# from passbook.core.models import Source
-# from passbook.oauth_client.models import OAuthSource
-
-# from rest_framework.viewsets import ModelViewSet
-
-# class LookupSourceSerializer(HyperlinkedModelSerializer):
-
-#     def to_representation(self, instance):
-#         if isinstance(instance, Source):
-#             return SourceSerializer(instance=instance).data
-#         elif isinstance(instance, OAuthSource):
-#             return OAuthSourceSerializer(instance=instance).data
-#         else:
-#             return LookupSourceSerializer(instance=instance).data
-
-#     class Meta:
-#         model = Source
-#         fields = '__all__'
-
-
-# class SourceViewSet(ModelViewSet):
-
-#     serializer_class = LookupSourceSerializer
-#     queryset = Source.objects.select_subclasses()
diff --git a/passbook/admin/api/v1/urls.py b/passbook/admin/api/v1/urls.py
new file mode 100644
index 000000000..7fa40fbda
--- /dev/null
+++ b/passbook/admin/api/v1/urls.py
@@ -0,0 +1,9 @@
+"""passbook admin API URLs"""
+from rest_framework.routers import DefaultRouter
+
+from passbook.admin.api.v1.groups import GroupViewSet
+
+router = DefaultRouter()
+router.register(r'groups', GroupViewSet)
+
+urlpatterns = router.urls
diff --git a/passbook/admin/api/v1/utils.py b/passbook/admin/api/v1/utils.py
deleted file mode 100644
index ee27f5f3a..000000000
--- a/passbook/admin/api/v1/utils.py
+++ /dev/null
@@ -1,18 +0,0 @@
-"""passbook admin api utils"""
-# from django.db.models import Model
-# from rest_framework.serializers import ModelSerializer
-
-
-# class LookupSerializer(ModelSerializer):
-
-#     mapping = {}
-
-#     def to_representation(self, instance):
-#         for __model, __serializer in self.mapping.items():
-#             if isinstance(instance, __model):
-#                 return __serializer(instance=instance).to_representation(instance)
-#         raise KeyError(instance.__class__.__name__)
-
-#     class Meta:
-#         model = Model
-#         fields = '__all__'
diff --git a/passbook/admin/requirements.txt b/passbook/admin/requirements.txt
index 44f4d7ce3..353ef0268 100644
--- a/passbook/admin/requirements.txt
+++ b/passbook/admin/requirements.txt
@@ -1 +1,3 @@
-django-crispy-forms
\ No newline at end of file
+django-crispy-forms
+django-rest-framework
+django-rest-swagger
diff --git a/passbook/admin/templates/administration/groups/list.html b/passbook/admin/templates/administration/groups/list.html
new file mode 100644
index 000000000..b8df11dc8
--- /dev/null
+++ b/passbook/admin/templates/administration/groups/list.html
@@ -0,0 +1,83 @@
+{% extends "administration/base.html" %}
+
+{% load i18n %}
+{% load static %}
+{% load utils %}
+
+{% block head %}
+{{ block.super }}
+<link rel="stylesheet" href="{% static 'css/bootstrap-treeview.min.css'%}">
+{% endblock %}
+
+{% block scripts %}
+{{ block.super }}
+<script src="{% static 'js/bootstrap-treeview.min.js' %}"></script>
+<script>
+  var cleanupData = function (obj) {
+    return {
+      text: obj.name,
+      href: '?group=' + obj.uuid,
+      nodes: obj.children.map(cleanupData),
+    };
+  }
+ $(function() {
+   var apiUrl = "{% url 'passbook_admin:group-list' %}?format=json";
+   $.ajax({
+      url: apiUrl,
+    }).done(function(data) {
+      $('#treeview1').treeview({
+        collapseIcon: "fa fa-angle-down",
+        data: data.map(cleanupData),
+        expandIcon: "fa fa-angle-right",
+        nodeIcon: "fa pficon-users",
+        showBorder: true,
+        enableLinks: true,
+        onNodeSelected: function (event, node) {
+          window.location.href = node.href;
+        }
+      });
+    });
+  });
+</script>
+{% endblock %}
+
+{% block title %}
+{% title %}
+{% endblock %}
+
+{% block content %}
+<div class="col-md-3">
+  <div id="treeview1" class="treeview">
+  </div>
+</div>
+<div class="col-md-9">
+  <h1>{% trans "Invitations" %}</h1>
+  <a href="{% url 'passbook_admin:invitation-create' %}" class="btn btn-primary">
+    {% trans 'Create...' %}
+  </a>
+  <hr>
+  <table class="table table-striped table-bordered">
+    <thead>
+      <tr>
+        <th>{% trans 'Expiry' %}</th>
+        <th>{% trans 'Link' %}</th>
+        <th></th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for invitation in object_list %}
+      <tr>
+        <td>{{ invitation.expires|default:"Never" }}</td>
+        <td>
+          <pre>{{ invitation.link }}</pre>
+        </td>
+        <td>
+          <a class="btn btn-default btn-sm" href="{% url 'passbook_admin:invitation-delete' pk=invitation.uuid %}?back={{ request.get_full_path }}">{%
+            trans 'Delete' %}</a>
+        </td>
+      </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+</div>
+{% endblock %}
diff --git a/passbook/admin/urls.py b/passbook/admin/urls.py
index 0079ab81d..69cb03335 100644
--- a/passbook/admin/urls.py
+++ b/passbook/admin/urls.py
@@ -1,8 +1,12 @@
 """passbook URL Configuration"""
-from django.urls import path
+from django.urls import include, path
+from rest_framework_swagger.views import get_swagger_view
+
+from passbook.admin.views import (applications, audit, groups, invitations,
+                                  overview, providers, rules, sources, users)
+
+schema_view = get_swagger_view(title='passbook Admin Internal API')
 
-from passbook.admin.views import (applications, audit, invitations, overview,
-                                  providers, rules, sources, users)
 
 urlpatterns = [
     path('', overview.AdministrationOverviewView.as_view(), name='overview'),
@@ -49,5 +53,9 @@ urlpatterns = [
          users.UserDeleteView.as_view(), name='user-delete'),
     # Audit Log
     path('audit/', audit.AuditEntryListView.as_view(), name='audit-log'),
-    # path('api/v1/', include('passbook.admin.api.v1.urls'))
+    # Groups
+    path('groups/', groups.GroupListView.as_view(), name='groups'),
+    # API
+    path('api/', schema_view),
+    path('api/v1/', include('passbook.admin.api.v1.urls'))
 ]
diff --git a/passbook/admin/views/groups.py b/passbook/admin/views/groups.py
new file mode 100644
index 000000000..629ed4aa0
--- /dev/null
+++ b/passbook/admin/views/groups.py
@@ -0,0 +1,12 @@
+"""passbook Group administration"""
+from django.views.generic import ListView
+
+from passbook.admin.mixins import AdminRequiredMixin
+from passbook.core.models import Group
+
+
+class GroupListView(AdminRequiredMixin, ListView):
+    """Show list of all invitations"""
+
+    model = Group
+    template_name = 'administration/groups/list.html'
diff --git a/passbook/core/migrations/0005_auto_20181226_2115.py b/passbook/core/migrations/0005_auto_20181226_2115.py
new file mode 100644
index 000000000..9e9b19067
--- /dev/null
+++ b/passbook/core/migrations/0005_auto_20181226_2115.py
@@ -0,0 +1,35 @@
+# Generated by Django 2.1.4 on 2018-12-26 21:15
+
+import uuid
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0009_alter_user_last_name_max_length'),
+        ('passbook_core', '0004_application_slug'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Group',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=80, verbose_name='name')),
+                ('parent_group', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='passbook_core.Group')),
+                ('permissions', models.ManyToManyField(blank=True, related_name='_group_permissions_+', to='auth.Permission')),
+            ],
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='groups',
+            field=models.ManyToManyField(to='passbook_core.Group'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='group',
+            unique_together={('name', 'parent_group')},
+        ),
+    ]
diff --git a/passbook/core/migrations/0006_group_extra_data.py b/passbook/core/migrations/0006_group_extra_data.py
new file mode 100644
index 000000000..7345bcc1c
--- /dev/null
+++ b/passbook/core/migrations/0006_group_extra_data.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.1.4 on 2018-12-26 21:32
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('passbook_core', '0005_auto_20181226_2115'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='group',
+            name='extra_data',
+            field=models.TextField(blank=True),
+        ),
+    ]
diff --git a/passbook/core/migrations/0007_auto_20181226_2142.py b/passbook/core/migrations/0007_auto_20181226_2142.py
new file mode 100644
index 000000000..5fd764b35
--- /dev/null
+++ b/passbook/core/migrations/0007_auto_20181226_2142.py
@@ -0,0 +1,30 @@
+# Generated by Django 2.1.4 on 2018-12-26 21:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('passbook_core', '0006_group_extra_data'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='group',
+            name='children',
+            field=models.ManyToManyField(blank=True, to='passbook_core.Group'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='group',
+            unique_together=set(),
+        ),
+        migrations.RemoveField(
+            model_name='group',
+            name='parent_group',
+        ),
+        migrations.RemoveField(
+            model_name='group',
+            name='permissions',
+        ),
+    ]
diff --git a/passbook/core/migrations/0008_auto_20181226_2200.py b/passbook/core/migrations/0008_auto_20181226_2200.py
new file mode 100644
index 000000000..d820a3089
--- /dev/null
+++ b/passbook/core/migrations/0008_auto_20181226_2200.py
@@ -0,0 +1,27 @@
+# Generated by Django 2.1.4 on 2018-12-26 22:00
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('passbook_core', '0007_auto_20181226_2142'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='group',
+            name='parent',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='children', to='passbook_core.Group'),
+        ),
+        migrations.RemoveField(
+            model_name='group',
+            name='children',
+        ),
+        migrations.AlterUniqueTogether(
+            name='group',
+            unique_together={('name', 'parent')},
+        ),
+    ]
diff --git a/passbook/core/models.py b/passbook/core/models.py
index ca2e3ff48..ad0991b2c 100644
--- a/passbook/core/models.py
+++ b/passbook/core/models.py
@@ -16,13 +16,28 @@ from passbook.lib.models import CreatedUpdatedModel, UUIDModel
 
 LOGGER = getLogger(__name__)
 
-@reversion.register()
+class Group(UUIDModel):
+    """Custom Group model which supports a basic hierarchy"""
+
+    name = models.CharField(_('name'), max_length=80)
+    parent = models.ForeignKey('Group', blank=True, null=True,
+                               on_delete=models.SET_NULL, related_name='children')
+    extra_data = models.TextField(blank=True)
+
+    def __str__(self):
+        return "Group %s" % self.name
+
+    class Meta:
+
+        unique_together = (('name', 'parent',),)
+
 class User(AbstractUser):
     """Custom User model to allow easier adding o f user-based settings"""
 
     uuid = models.UUIDField(default=uuid4, editable=False)
     sources = models.ManyToManyField('Source', through='UserSourceConnection')
     applications = models.ManyToManyField('Application')
+    groups = models.ManyToManyField('Group')
 
 @reversion.register()
 class Provider(models.Model):
diff --git a/passbook/core/settings.py b/passbook/core/settings.py
index 1b6b42bbd..cbe6ea7c2 100644
--- a/passbook/core/settings.py
+++ b/passbook/core/settings.py
@@ -66,6 +66,7 @@ INSTALLED_APPS = [
     'django.contrib.staticfiles',
     'reversion',
     'rest_framework',
+    'rest_framework_swagger',
     'passbook.core.apps.PassbookCoreConfig',
     'passbook.admin.apps.PassbookAdminConfig',
     'passbook.api.apps.PassbookAPIConfig',
diff --git a/passbook/core/static/css/bootstrap-treeview.min.css b/passbook/core/static/css/bootstrap-treeview.min.css
new file mode 100644
index 000000000..9e40d885a
--- /dev/null
+++ b/passbook/core/static/css/bootstrap-treeview.min.css
@@ -0,0 +1 @@
+.treeview .list-group-item{cursor:pointer}.treeview span.indent{margin-left:10px;margin-right:10px}.treeview span.icon,.treeview span.image{width:12px;margin-right:5px}.treeview .node-disabled{color:silver;cursor:not-allowed}.treeview .node-hidden{display:none}.treeview span.image{display:inline-block;height:1.19em;vertical-align:middle;background-size:contain;background-repeat:no-repeat;line-height:1em}.treeview span.icon.node-icon-background{padding:2px;width:calc(1em + 4px);height:calc(1em + 4px);line-height:1em}
\ No newline at end of file
diff --git a/passbook/core/static/js/bootstrap-treeview.min.js b/passbook/core/static/js/bootstrap-treeview.min.js
new file mode 100644
index 000000000..7e3f2c2f0
--- /dev/null
+++ b/passbook/core/static/js/bootstrap-treeview.min.js
@@ -0,0 +1 @@
+!function(a,b,c,d){"use strict";var e="treeview",f={};f.settings={injectStyle:!0,levels:2,expandIcon:"glyphicon glyphicon-plus",collapseIcon:"glyphicon glyphicon-minus",loadingIcon:"glyphicon glyphicon-hourglass",emptyIcon:"glyphicon",nodeIcon:"",selectedIcon:"",checkedIcon:"glyphicon glyphicon-check",partiallyCheckedIcon:"glyphicon glyphicon-expand",uncheckedIcon:"glyphicon glyphicon-unchecked",tagsClass:"badge",color:d,backColor:d,borderColor:d,changedNodeColor:"#39A5DC",onhoverColor:"#F5F5F5",selectedColor:"#FFFFFF",selectedBackColor:"#428bca",searchResultColor:"#D9534F",searchResultBackColor:d,highlightSelected:!0,highlightSearchResults:!0,showBorder:!0,showIcon:!0,showImage:!1,showCheckbox:!1,checkboxFirst:!1,highlightChanges:!1,showTags:!1,multiSelect:!1,preventUnselect:!1,allowReselect:!1,hierarchicalCheck:!1,propagateCheckEvent:!1,wrapNodeText:!1,onLoading:d,onLoadingFailed:d,onInitialized:d,onNodeRendered:d,onRendered:d,onDestroyed:d,onNodeChecked:d,onNodeCollapsed:d,onNodeDisabled:d,onNodeEnabled:d,onNodeExpanded:d,onNodeChanged:d,onNodeSelected:d,onNodeUnchecked:d,onNodeUnselected:d,onSearchComplete:d,onSearchCleared:d},f.options={silent:!1,ignoreChildren:!1},f.searchOptions={ignoreCase:!0,exactMatch:!1,revealResults:!0},f.dataUrl={method:"GET",dataType:"json",cache:!1};var g=function(b,c){return 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this._options.onSearchCleared&&this.$element.on("searchCleared",this._options.onSearchCleared)},g.prototype._triggerEvent=function(b,c,d){d&&!d.silent&&this.$element.trigger(b,a.extend(!0,{},c))},g.prototype._setInitialStates=function(b,c){return this._nodes={},a.when.apply(this,this._setInitialState(b,c)).done(a.proxy(function(){this._orderedNodes=this._sortNodes(),this._inheritCheckboxChanges(),this._triggerEvent("initialized",this._orderedNodes,f.options)},this))},g.prototype._setInitialState=function(b,c,e){if(b.nodes){c+=1,e=e||[];var f=b;return a.each(b.nodes,a.proxy(function(b,g){var h=new a.Deferred;e.push(h.promise()),g.level=c,g.index=b,g.nodeId=f&&f.nodeId?f.nodeId+"."+g.index:c-1+"."+g.index,g.parentId=f.nodeId,g.hasOwnProperty("selectable")||(g.selectable=!0),g.hasOwnProperty("checkable")||(g.checkable=!0),g.state=g.state||{},g.state.hasOwnProperty("checked")||(g.state.checked=!1),this._options.hierarchicalCheck&&"undefined"===g.state.checked&&(g.state.checked=d),g.state.hasOwnProperty("disabled")||(g.state.disabled=!1),g.state.hasOwnProperty("expanded")||(!g.state.disabled&&c<this._options.levels&&g.nodes&&g.nodes.length>0?g.state.expanded=!0:g.state.expanded=!1),g.state.hasOwnProperty("selected")||(g.state.selected=!1),f&&f.state&&f.state.expanded||c<=this._options.levels?g.state.visible=!0:g.state.visible=!1,g.nodes&&(g.nodes.length>0?this._setInitialState(g,c,e):delete g.nodes),this._nodes[g.nodeId]=g,h.resolve()},this)),e}},g.prototype._sortNodes=function(){return a.map(Object.keys(this._nodes).sort(function(a,b){if(a===b)return 0;for(var a=a.split(".").map(function(a){return parseInt(a)}),b=b.split(".").map(function(a){return parseInt(a)}),c=Math.max(a.length,b.length),e=0;e<c;e++){if(a[e]===d)return-1;if(b[e]===d)return 1;if(a[e]-b[e]>0)return 1;if(a[e]-b[e]<0)return-1}}),a.proxy(function(a,b){return this._nodes[a]},this))},g.prototype._clickHandler=function(b){var c=a(b.target),d=this.targetNode(c);if(d&&!d.state.disabled){var e=c.attr("class")?c.attr("class").split(" "):[];e.indexOf("expand-icon")!==-1?this._toggleExpanded(d,a.extend({},f.options)):e.indexOf("check-icon")!==-1?d.checkable&&this._toggleChecked(d,a.extend({},f.options)):d.selectable?this._toggleSelected(d,a.extend({},f.options)):this._toggleExpanded(d,a.extend({},f.options))}},g.prototype.targetNode=function(a){var b=a.closest("li.list-group-item").attr("data-nodeId"),c=this._nodes[b];return c||console.log("Error: node does not exist"),c},g.prototype._toggleExpanded=function(a,b){a&&("function"==typeof this._options.lazyLoad&&a.lazyLoad?this._lazyLoad(a):this._setExpanded(a,!a.state.expanded,b))},g.prototype._lazyLoad=function(a){a.$el.children("span.expand-icon").removeClass(this._options.expandIcon).addClass(this._options.loadingIcon);var b=this;this._options.lazyLoad(a,function(c){b.addNode(c,a)}),delete a.lazyLoad},g.prototype._setExpanded=function(b,c,d){d&&c===b.state.expanded||(c&&b.nodes?(b.state.expanded=!0,b.$el&&b.$el.children("span.expand-icon").removeClass(this._options.expandIcon).removeClass(this._options.loadingIcon).addClass(this._options.collapseIcon),b.nodes&&d&&a.each(b.nodes,a.proxy(function(a,b){this._setVisible(b,!0,d)},this)),this._triggerEvent("nodeExpanded",b,d)):c||(b.state.expanded=!1,b.$el&&b.$el.children("span.expand-icon").removeClass(this._options.collapseIcon).addClass(this._options.expandIcon),b.nodes&&d&&a.each(b.nodes,a.proxy(function(a,b){this._setVisible(b,!1,d),this._setExpanded(b,!1,d)},this)),this._triggerEvent("nodeCollapsed",b,d)))},g.prototype._setVisible=function(a,b,c){c&&b===a.state.visible||(b?(a.state.visible=!0,a.$el&&a.$el.removeClass("node-hidden")):(a.state.visible=!1,a.$el&&a.$el.addClass("node-hidden")))},g.prototype._toggleSelected=function(a,b){if(a)return this._setSelected(a,!a.state.selected,b),this},g.prototype._setSelected=function(b,c,d,e){if(!d||c!==b.state.selected){if(c)this._options.multiSelect||a.each(this._findNodes("true","state.selected"),a.proxy(function(b,c){this._setSelected(c,!1,a.extend(d,{unselecting:!0}),!0)},this)),b.state.selected=!0,b.$el&&(b.$el.addClass("node-selected"),(b.selectedIcon||this._options.selectedIcon)&&b.$el.children("span.node-icon").removeClass(b.icon||this._options.nodeIcon).addClass(b.selectedIcon||this._options.selectedIcon)),this._triggerEvent("nodeSelected",b,d),this._triggerEvent("nodeChanged",b,d);else{if(this._options.preventUnselect&&d&&!d.unselecting&&1===this._findNodes("true","state.selected").length)return this._options.allowReselect&&(this._triggerEvent("nodeSelected",b,d),this._triggerEvent("nodeChanged",b,d)),this;b.state.selected=!1,b.$el&&(b.$el.removeClass("node-selected"),(b.selectedIcon||this._options.selectedIcon)&&b.$el.children("span.node-icon").removeClass(b.selectedIcon||this._options.selectedIcon).addClass(b.icon||this._options.nodeIcon)),this._triggerEvent("nodeUnselected",b,d),e||this._triggerEvent("nodeChanged",b,d)}return this}},g.prototype._inheritCheckboxChanges=function(){this._options.showCheckbox&&this._options.highlightChanges&&(this._checkedNodes=a.grep(this._orderedNodes,function(a){return a.state.checked}))},g.prototype._toggleChecked=function(b,c){if(b){if(this._options.hierarchicalCheck){var e,f=a.extend({},c,{silent:c.silent||!this._options.propagateCheckEvent}),g=b;for(b.state.checked=!b.state.checked;g=this._nodes[g.parentId];)e=g.nodes.reduce(function(a,b){return a===b.state.checked?a:d},g.nodes[0].state.checked),this._setChecked(g,e,f);if(b.nodes&&b.nodes.length>0)for(var h,i=b.nodes.slice();i&&i.length>0;)h=i.pop(),this._setChecked(h,b.state.checked,f),h.nodes&&h.nodes.length>0&&(i=i.concat(h.nodes.slice()));b.state.checked=!b.state.checked}this._setChecked(b,!b.state.checked,c)}},g.prototype._setChecked=function(a,b,c){c&&b===a.state.checked||(this._options.highlightChanges&&a.$el.toggleClass("node-check-changed",this._checkedNodes.indexOf(a)==-1==b),b?(a.state.checked=!0,a.$el&&(a.$el.addClass("node-checked").removeClass("node-checked-partial"),a.$el.children("span.check-icon").removeClass(this._options.uncheckedIcon).removeClass(this._options.partiallyCheckedIcon).addClass(this._options.checkedIcon)),this._triggerEvent("nodeChecked",a,c)):b===d&&this._options.hierarchicalCheck?(a.state.checked=d,a.$el&&(a.$el.addClass("node-checked-partial").removeClass("node-checked"),a.$el.children("span.check-icon").removeClass(this._options.uncheckedIcon).removeClass(this._options.checkedIcon).addClass(this._options.partiallyCheckedIcon)),this._triggerEvent("nodeUnchecked",a,c)):(a.state.checked=!1,a.$el&&(a.$el.removeClass("node-checked node-checked-partial"),a.$el.children("span.check-icon").removeClass(this._options.checkedIcon).removeClass(this._options.partiallyCheckedIcon).addClass(this._options.uncheckedIcon)),this._triggerEvent("nodeUnchecked",a,c)))},g.prototype._setDisabled=function(a,b,c){c&&b===a.state.disabled||(b?(a.state.disabled=!0,c&&!c.keepState&&(this._setSelected(a,!1,c),this._setChecked(a,!1,c),this._setExpanded(a,!1,c)),a.$el&&a.$el.addClass("node-disabled"),this._triggerEvent("nodeDisabled",a,c)):(a.state.disabled=!1,a.$el&&a.$el.removeClass("node-disabled"),this._triggerEvent("nodeEnabled",a,c)))},g.prototype._setSearchResult=function(a,b,c){c&&b===a.searchResult||(b?(a.searchResult=!0,a.$el&&a.$el.addClass("node-result")):(a.searchResult=!1,a.$el&&a.$el.removeClass("node-result")))},g.prototype._render=function(){this._initialized||(this.$wrapper=this._template.tree.clone(),this.$element.empty().addClass(e).append(this.$wrapper),this._injectStyle(),this._initialized=!0);var b;a.each(this._orderedNodes,a.proxy(function(a,c){this._renderNode(c,b),b=c},this)),this._triggerEvent("rendered",this._orderedNodes,f.options)},g.prototype._renderNode=function(b,c){if(b){b.$el?b.$el.empty():b.$el=this._newNodeEl(b,c).addClass("node-"+this._elementId),b.$el.addClass(b["class"]),b.id&&b.$el.attr("id",b.id),b.dataAttr&&a.each(b.dataAttr,function(a,c){b.$el.attr("data-"+a,c)}),b.$el.attr("data-nodeId",b.nodeId),b.tooltip&&b.$el.attr("title",b.tooltip);for(var e=0;e<b.level-1;e++)b.$el.append(this._template.indent.clone());if(b.$el.append(b.nodes||b.lazyLoad?this._template.icon.expand.clone():this._template.icon.empty.clone()),this._options.checkboxFirst?(this._addCheckbox(b),this._addIcon(b),this._addImage(b)):(this._addIcon(b),this._addImage(b),this._addCheckbox(b)),this._options.wrapNodeText){var g=this._template.text.clone();b.$el.append(g),g.append(b.text)}else b.$el.append(b.text);this._options.showTags&&b.tags&&a.each(b.tags,a.proxy(function(a,c){b.$el.append(this._template.badge.clone().addClass(("object"==typeof c?c["class"]:d)||b.tagsClass||this._options.tagsClass).append(("object"==typeof c?c.text:d)||c))},this)),this._setSelected(b,b.state.selected),this._setChecked(b,b.state.checked),this._setSearchResult(b,b.searchResult),this._setExpanded(b,b.state.expanded),this._setDisabled(b,b.state.disabled),this._setVisible(b,b.state.visible),this._triggerEvent("nodeRendered",b,f.options)}},g.prototype._addCheckbox=function(a){!this._options.showCheckbox||a.hideCheckbox!==d&&a.hideCheckbox!==!1||a.$el.append(this._template.icon.check.clone())},g.prototype._addIcon=function(a){if(this._options.showIcon&&(!this._options.showImage||!a.image)){var b=this._template.icon.node.clone().addClass(a.icon||this._options.nodeIcon);a.iconColor&&b.css("color",a.iconColor),a.iconBackground&&(b.addClass("node-icon-background"),b.css("background",a.iconBackground)),a.$el.append(b)}},g.prototype._addImage=function(a){this._options.showImage&&a.image&&a.$el.append(this._template.image.clone().addClass("node-image").css("background-image","url('"+a.image+"')"))},g.prototype._newNodeEl=function(a,b){var c=this._template.node.clone();return b?b.$el.after(c):this.$wrapper.prepend(c),c},g.prototype._removeNodeEl=function(b){b&&(b.nodes&&a.each(b.nodes,a.proxy(function(a,b){this._removeNodeEl(b)},this)),b.$el.remove())},g.prototype._expandNode=function(b){b.nodes&&a.each(b.nodes.slice(0).reverse(),a.proxy(function(a,c){c.level=b.level+1,this._renderNode(c,b.$el)},this))},g.prototype._injectStyle=function(){this._options.injectStyle&&!c.getElementById(this._styleId)&&a('<style type="text/css" id="'+this._styleId+'"> '+this._buildStyle()+" </style>").appendTo("head")},g.prototype._buildStyle=function(){var b=".node-"+this._elementId+"{";if(this._options.color&&(b+="color:"+this._options.color+";"),this._options.backColor&&(b+="background-color:"+this._options.backColor+";"),this._options.showBorder?this._options.borderColor&&(b+="border:1px solid "+this._options.borderColor+";"):b+="border:none;",b+="}",this._options.onhoverColor&&(b+=".node-"+this._elementId+":not(.node-disabled):hover{background-color:"+this._options.onhoverColor+";}"),this._options.highlightSearchResults&&(this._options.searchResultColor||this._options.searchResultBackColor)){var c="";this._options.searchResultColor&&(c+="color:"+this._options.searchResultColor+";"),this._options.searchResultBackColor&&(c+="background-color:"+this._options.searchResultBackColor+";"),b+=".node-"+this._elementId+".node-result{"+c+"}",b+=".node-"+this._elementId+".node-result:hover{"+c+"}"}if(this._options.highlightSelected&&(this._options.selectedColor||this._options.selectedBackColor)){var c="";this._options.selectedColor&&(c+="color:"+this._options.selectedColor+";"),this._options.selectedBackColor&&(c+="background-color:"+this._options.selectedBackColor+";"),b+=".node-"+this._elementId+".node-selected{"+c+"}",b+=".node-"+this._elementId+".node-selected:hover{"+c+"}"}if(this._options.highlightChanges){var c="color: "+this._options.changedNodeColor+";";b+=".node-"+this._elementId+".node-check-changed{"+c+"}"}return a.each(this._orderedNodes,a.proxy(function(a,c){if(c.color||c.backColor){var d="";c.color&&(d+="color:"+c.color+";"),c.backColor&&(d+="background-color:"+c.backColor+";"),b+=".node-"+this._elementId+'[data-nodeId="'+c.nodeId+'"]{'+d+"}"}},this)),this._css+b},g.prototype._template={tree:a('<ul class="list-group"></ul>'),node:a('<li class="list-group-item"></li>'),indent:a('<span class="indent"></span>'),icon:{node:a('<span class="icon node-icon"></span>'),expand:a('<span class="icon expand-icon"></span>'),check:a('<span class="icon check-icon"></span>'),empty:a('<span class="icon"></span>')},image:a('<span class="image"></span>'),badge:a("<span></span>"),text:a('<span class="text"></span>')},g.prototype._css=".treeview .list-group-item{cursor:pointer}.treeview span.indent{margin-left:10px;margin-right:10px}.treeview span.icon{width:12px;margin-right:5px}.treeview .node-disabled{color:silver;cursor:not-allowed}",g.prototype.findNodes=function(a,b,c){return this._findNodes(a,b,c)},g.prototype.getNodes=function(){return this._orderedNodes},g.prototype.getParents=function(b){b instanceof Array||(b=[b]);var c=[];return a.each(b,a.proxy(function(a,b){var d=!!b.parentId&&this._nodes[b.parentId];d&&c.push(d)},this)),c},g.prototype.getSiblings=function(b){b instanceof Array||(b=[b]);var c=[];return a.each(b,a.proxy(function(a,b){var d=this.getParents([b]),e=d[0]?d[0].nodes:this._tree;c=e.filter(function(a){return a.nodeId!==b.nodeId})},this)),a.map(c,function(a){return a})},g.prototype.getSelected=function(){return this._findNodes("true","state.selected")},g.prototype.getUnselected=function(){return this._findNodes("false","state.selected")},g.prototype.getExpanded=function(){return this._findNodes("true","state.expanded")},g.prototype.getCollapsed=function(){return this._findNodes("false","state.expanded")},g.prototype.getChecked=function(){return this._findNodes("true","state.checked")},g.prototype.getUnchecked=function(){return this._findNodes("false","state.checked")},g.prototype.getDisabled=function(){return this._findNodes("true","state.disabled")},g.prototype.getEnabled=function(){return this._findNodes("false","state.disabled")},g.prototype.addNode=function(b,c,d,e){b instanceof Array||(b=[b]),c instanceof Array&&(c=c[0]),e=a.extend({},f.options,e);var g;g=c&&c.nodes?c.nodes:c?c.nodes=[]:this._tree,a.each(b,a.proxy(function(a,b){var c="number"==typeof d?d+a:g.length+1;g.splice(c,0,b)},this)),this._setInitialStates({nodes:this._tree},0).done(a.proxy(function(){c&&!c.state.expanded&&this._setExpanded(c,!0,e),this._render()},this))},g.prototype.addNodeAfter=function(b,c,d){b instanceof Array||(b=[b]),c instanceof Array&&(c=c[0]),d=a.extend({},f.options,d),this.addNode(b,this.getParents(c)[0],c.index+1,d)},g.prototype.addNodeBefore=function(b,c,d){b instanceof Array||(b=[b]),c instanceof Array&&(c=c[0]),d=a.extend({},f.options,d),this.addNode(b,this.getParents(c)[0],c.index,d)},g.prototype.removeNode=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c);var d,e;a.each(b,a.proxy(function(a,b){e=this._nodes[b.parentId],d=e?e.nodes:this._tree,d.splice(b.index,1),this._removeNodeEl(b)},this)),this._setInitialStates({nodes:this._tree},0).done(this._render.bind(this))},g.prototype.updateNode=function(b,c,d){b instanceof Array&&(b=b[0]),d=a.extend({},f.options,d);var e,g=this._nodes[b.parentId];e=g?g.nodes:this._tree,e.splice(b.index,1,c),this._removeNodeEl(b),this._setInitialStates({nodes:this._tree},0).done(this._render.bind(this))},g.prototype.selectNode=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._setSelected(b,!0,c)},this))},g.prototype.unselectNode=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._setSelected(b,!1,c)},this))},g.prototype.toggleNodeSelected=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._toggleSelected(b,c)},this))},g.prototype.collapseAll=function(b){b=a.extend({},f.options,b),b.levels=b.levels||999,this.collapseNode(this._tree,b)},g.prototype.collapseNode=function(b,c){c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._setExpanded(b,!1,c)},this))},g.prototype.expandAll=function(b){b=a.extend({},f.options,b),b.levels=b.levels||999,this.expandNode(this._tree,b)},g.prototype.expandNode=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){b.state.expanded||("function"==typeof this._options.lazyLoad&&b.lazyLoad&&this._lazyLoad(b),this._setExpanded(b,!0,c),b.nodes&&this._expandLevels(b.nodes,c.levels-1,c))},this))},g.prototype._expandLevels=function(b,c,d){b instanceof Array||(b=[b]),d=a.extend({},f.options,d),a.each(b,a.proxy(function(a,b){this._setExpanded(b,c>0,d),b.nodes&&this._expandLevels(b.nodes,c-1,d)},this))},g.prototype.revealNode=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){for(var d,e=b;d=this.getParents([e])[0];)e=d,this._setExpanded(e,!0,c)},this))},g.prototype.toggleNodeExpanded=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._toggleExpanded(b,c)},this))},g.prototype.checkAll=function(b){b=a.extend({},f.options,b);var c=a.grep(this._orderedNodes,function(a){return!a.state.checked});a.each(c,a.proxy(function(a,c){this._setChecked(c,!0,b)},this))},g.prototype.checkNode=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._setChecked(b,!0,c)},this))},g.prototype.uncheckAll=function(b){b=a.extend({},f.options,b);var c=a.grep(this._orderedNodes,function(a){return a.state.checked||a.state.checked===d});a.each(c,a.proxy(function(a,c){this._setChecked(c,!1,b)},this))},g.prototype.uncheckNode=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._setChecked(b,!1,c)},this))},g.prototype.toggleNodeChecked=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._toggleChecked(b,c)},this))},g.prototype.unmarkCheckboxChanges=function(){this._inheritCheckboxChanges(),a.each(this._nodes,function(a,b){b.$el.removeClass("node-check-changed")})},g.prototype.disableAll=function(b){b=a.extend({},f.options,b);var c=this._findNodes("false","state.disabled");a.each(c,a.proxy(function(a,c){this._setDisabled(c,!0,b)},this))},g.prototype.disableNode=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._setDisabled(b,!0,c)},this))},g.prototype.enableAll=function(b){b=a.extend({},f.options,b);var c=this._findNodes("true","state.disabled");a.each(c,a.proxy(function(a,c){this._setDisabled(c,!1,b)},this))},g.prototype.enableNode=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._setDisabled(b,!1,c)},this))},g.prototype.toggleNodeDisabled=function(b,c){b instanceof Array||(b=[b]),c=a.extend({},f.options,c),a.each(b,a.proxy(function(a,b){this._setDisabled(b,!b.state.disabled,c)},this))},g.prototype.search=function(b,c){c=a.extend({},f.searchOptions,c);var d=this._getSearchResults(),e=[];if(b&&b.length>0){c.exactMatch&&(b="^"+b+"$");var g="g";c.ignoreCase&&(g+="i"),e=this._findNodes(b,"text",g)}return a.each(this._diffArray(e,d),a.proxy(function(a,b){this._setSearchResult(b,!1,c)},this)),a.each(this._diffArray(d,e),a.proxy(function(a,b){this._setSearchResult(b,!0,c)},this)),e&&c.revealResults&&this.revealNode(e),this._triggerEvent("searchComplete",e,c),e},g.prototype.clearSearch=function(b){b=a.extend({},{render:!0},b);var 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